0.2.0

• timestamp is now logical. This means it has no relationship with wall-clock time.
  • Updates are now strictly sorted by [timestamp, source].
• Tests for orderedHistory
• Stores and replays scuttlebutt updates in timestamp-source order, not received order
  • True to the original paper, better in high-latency situations
• Create new scuttlebutt streams for re-connections
  • Increases reconnection reliability
• Adds option function isGossipType
• Updated examples